Home / 2,685.59-4,027.19-1,103.22

Finding the Fourth Proportional to 2,685.59, 4,027.19 and 1,103.22

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Solution

The fourth proportional to 2,685.59, 4,027.19 and 1,103.22 is: 1,654.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.59 : 4,027.19 = 1,103.22 : x
  2. Step 2: Convert to fraction form
    2,685.59/4,027.19 = 1,103.22/x
  3. Step 3: Cross multiply
    2,685.59x = 4,027.19 × 1,103.22
  4. Step 4: Simplify right side
    2,685.59x = 4,442,876.55
  5. Step 5: Solve for x
    x = 4,442,876.55/2,685.59
  6. Step 6: Final answer
    x = 1,654.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.